Binaural Forum

to not really hear anything but maybe static and some whinning noises and so on. maybe like rain and humming thanks .

Yeah, all of the doses should sound like that, unless you bought the mp3 packs. They are basically waves created by playing one tone in one ear, and a different tone in another. This creates the wave frequency that will affect your brainwave frequency. The white noise is supposed to complement the waves.